17. When two or more atoms (either the same atoms or different atoms) react with one another, they may form a
(2 words). This will allow
unstable atoms to fill their valence shell and become more stable.
18. Atoms have a property called
which is how
strong of a 'pull' an atom has on electrons. The higher this number is, the
stronger its pull on electrons.
I
19. This property can influence the type of chemical bond that may form between
atoms. When the electronegativities of atoms are very different from one another
(i. e. one has a high electronegativity and one has a low electronegativity), it is
likely that an
bond will form.

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?